Inside female cones, female spores develop into female what?

Inside female cones, female spores develop into female what?

Correct Answer: tubules
gymnosperms
filaments
gametophytes

Explanation: Cones form on a mature sporophyte plant. Inside male cones, male spores develop into male gametophytes. Each male gametophyte consists of several cells enclosed within a grain of pollen . Inside female cones, female spores develop into female gametophytes. Each female gametophyte produces an egg inside an ovule.

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